package com.guo.boot.study.syn;

/**
 * @Auther Heart Guo
 * @Date 2021/12/23-16:05
 */
public class SafeBank {
    public static void main(String[] args) {
        //账户
        Account1 account = new Account1(100,"公积金");
        Drawing1 you = new Drawing1(account,50,"你");
        Drawing1 herssss = new Drawing1(account,100,"她");
        you.start();
        herssss.start();

    }
}
//账户
class Account1{
    int money;//余额
    String name;//卡名

    public Account1(int money, String name) {
        this.money = money;
        this.name = name;
    }
}

//银行，模拟取款
class Drawing1 extends Thread{
    Account1 account;//账户
    int drawingMoney;//取了多少钱
    int nowMoney;//现在手里多少钱

    public Drawing1(Account1 account,int drawingMoney,String name){
        super(name);
        this.account = account;
        this.drawingMoney = drawingMoney;
    }

    @Override
    public  void run() {
        //锁的对象就是变化的量
        synchronized(account){
            //判断有没有钱
            if(account.money-drawingMoney<0){
                System.out.println(Thread.currentThread().getName()+"钱不够了，取不了");
                return;
            }
            try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            //卡内余额=余额-取的钱
            account.money = account.money-drawingMoney;

            //手里的钱
            nowMoney = nowMoney+drawingMoney;

            System.out.println(account.name+"余额为"+account.money);
            //Thread.currentThread().getName()等同于this.getName()，因为继承了
            System.out.println(this.getName()+"手里的钱"+nowMoney);
        }

    }
}